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Finding the Fourth Proportional to 230,299.52, 345,449.25 and 89,959.73

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Solution

The fourth proportional to 230,299.52, 345,449.25 and 89,959.73 is: 134,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,299.52 : 345,449.25 = 89,959.73 : x
  2. Step 2: Convert to fraction form
    230,299.52/345,449.25 = 89,959.73/x
  3. Step 3: Cross multiply
    230,299.52x = 345,449.25 × 89,959.73
  4. Step 4: Simplify right side
    230,299.52x = 31,076,519,531.46
  5. Step 5: Solve for x
    x = 31,076,519,531.46/230,299.52
  6. Step 6: Final answer
    x = 134,939.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.